Page, S. J., & Dowling, R. K. (2001). Ecotourism. Prentice Hall.
Citación estilo ChicagoPage, Stephen J., and Ross K. Dowling. Ecotourism. New York: Prentice Hall, 2001.
Cita MLAPage, Stephen J., and Ross K. Dowling. Ecotourism. Prentice Hall, 2001.
Warning: These citations may not always be 100% accurate.